I had the same problem before leaving the house with mine, since then i machined 2 alloy blocks and used the original housing to get the angle right, then ground down the original bulkhead top and fixed them by screwing through from the underside of the bulkhead with m5 tx 20 screws, i also braced the underside with some 3mm carbon fibre, by doing this you can also beef up the alloy mountings to strengthen them, its been perfect ever since. I also thouught this looked like a weak spot when building the kit but no one else seemed to agree.
suppose the only benefit is that paying 5.99 bulkhead is better than 15 for a shock tower